Ukrainian army positions in Donbas came under 37 attacks during the day, the anti-terrorist operation staff said on Facebook on Wednesday morning.

Most shelling incidents occurred in the Mariupol sector. Militants fired over 30 shells from 122mm guns on Ukrainian army positions in Shyrokyne. According to the press center, mortars of various calibers, grenade launchers, heavy machineguns and small arms were used against Talakivka, Slavne, Shyrokyne, Vodyane, Krasnohorivka, Lebedynske and Pavlopil. Besides, a sniper was active near Pavlopil, the report said.

In the Donetsk sector, militants shelled Luhanske and Avdiyivka using mortars forbidden by the Minsk agreements, the press center said, adding that grenade launchers of various types and heavy machineguns were also employed in those areas.

Activity in the Luhansk sector was seen on Tuesday evening, when Ukrainian army positions near Novozvanivka, Novooleksandrivka and Katerynivka were shelled by mortars, grenade launchers and heavy machineguns, the staff said.